Home / 1,712.31-2,567.50-1,095.63

Finding the Fourth Proportional to 1,712.31, 2,567.50 and 1,095.63

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Solution

The fourth proportional to 1,712.31, 2,567.50 and 1,095.63 is: 1,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.31 : 2,567.50 = 1,095.63 : x
  2. Step 2: Convert to fraction form
    1,712.31/2,567.50 = 1,095.63/x
  3. Step 3: Cross multiply
    1,712.31x = 2,567.50 × 1,095.63
  4. Step 4: Simplify right side
    1,712.31x = 2,813,030.03
  5. Step 5: Solve for x
    x = 2,813,030.03/1,712.31
  6. Step 6: Final answer
    x = 1,642.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.